Java Collection Add added(Collection old, Collection nu)

Description

added

License

Apache License

Declaration

public static List<String> added(Collection<String> old, Collection<String> nu) 

Method Source Code

//package com.java2s;
/*/*from   ww w . j  a  v  a 2s  .  c  o m*/
 *  Copyright 2011-2015 Hippo B.V. (http://www.onehippo.com)
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class Main {
    public static List<String> added(Collection<String> old, Collection<String> nu) {
        List<String> added = null;
        for (String s : nu) {
            if (!old.contains(s)) {
                if (added == null) {
                    added = new ArrayList<String>(nu.size());
                }
                added.add(s);
            }
        }
        return added;
    }
}

Related

1. addCheck(Collection c, Object o)
2. addCollections(Collection... inCollections)
3. addCondition(Collection conditions, String condition, double value)
4. addConditionImpl(Collection conditions, String condition, String value)
5. addDirToStringPaths(Collection ss, String dir)
6. added(Collection a, Collection b)
7. addIf(Collection coll, T value, boolean expr)
8. addIfAbsent(Collection c, T item)
9. addIfMissing(Collection result, Iterable addition)